Home Comparison Intel Core i5 10400 vs Intel Core i7 7820X

Intel Core i5 10400 vs Intel Core i7 7820X

Intel Core i5 10400
VS
Intel Core i7 7820X
Intel Core i5 10400
Intel Core i7 7820X
We compared two desktop CPUs: Intel Core i5 10400 with 6 cores 2.9GHz and Intel Core i7 7820X with 8 cores 3.6GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 10400 's Advantages
Released 3 years late
Integrated graphics card
Larger L3 cache size (12MB vs 11MB)
Lower TDP (65W vs 140W)
Intel Core i7 7820X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Higher base frequency (3.6GHz vs 2.9GHz)

Score

Benchmark

Cinebench R23 Single Core
Intel Core i5 10400
1126
Intel Core i7 7820X +18%
1338
Cinebench R23 Multi Core
Intel Core i5 10400
7610
Intel Core i7 7820X +75%
13358
Geekbench 6 Single Core
Intel Core i5 10400 +11%
1401
Intel Core i7 7820X
1252
Geekbench 6 Multi Core
Intel Core i5 10400
5919
Intel Core i7 7820X +26%
7510
Geekbench 5 Single Core
Intel Core i5 10400 +2%
1149
Intel Core i7 7820X
1120
Geekbench 5 Multi Core
Intel Core i5 10400
5766
Intel Core i7 7820X +47%
8504
Passmark CPU Single Core
Intel Core i5 10400 +1%
2569
Intel Core i7 7820X
2536
Passmark CPU Multi Core
Intel Core i5 10400
12194
Intel Core i7 7820X +40%
17189
Intel Core i5 10400
VS
Intel Core i7 7820X

General Parameters

May 2020
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Comet Lake
Core Architecture
Skylake
i5-10400
Processor Number
i7-7820X
LGA-1200
Socket
LGA-2066
UHD Graphics 630
Integrated Graphics
N/A

Package

14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
140 W
100 °C
Peak Operating Temperature
99 °C

CPU Performance

6
Performance Cores
8
12
Performance Core Threads
16
2.9 GHz
Performance Core Base Frequency
3.6 GHz
4.3 GHz
Performance Core Turbo Frequency
4.3 GHz
6
Total Core Count
8
12
Total Thread Count
16
100 MHz
Bus Frequency
100 MHz
29x
Multiplier
36x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
12 MB shared
L3 Cache
11 MB shared
No
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
41.6 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No

Graphics Card Parameters

true
Integrated Graphics
-
350 MHz
GPU Base Frequency
-
1100 MHz
GPU Max Dynamic Frequency
-
192
Shader Units
-
24
Texture Units
-
3
Raster Operation Units
-
24
Execution Units
-
15 W
Power Consumption
-
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
-

Miscellaneous

Intel Core i5 10400
Official Website
Intel Core i7 7820X
3.0
PCIe Version
3.0
16
PCIe Lanes
28
-
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512

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